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55093767 = 318364589
BaseRepresentation
bin1101001000101…
…0101000000111
310211200001102220
43102022220013
5103101000032
65244503423
71236201141
oct322125007
9124601386
1055093767
112910a843
121654ab73
13b54ca81
147461c91
154c8412c
hex348aa07

55093767 has 4 divisors (see below), whose sum is σ = 73458360. Its totient is φ = 36729176.

The previous prime is 55093751. The next prime is 55093811. The reversal of 55093767 is 76739055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55093767 - 24 = 55093751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55093667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9182292 + ... + 9182297.

It is an arithmetic number, because the mean of its divisors is an integer number (18364590).

Almost surely, 255093767 is an apocalyptic number.

55093767 is a deficient number, since it is larger than the sum of its proper divisors (18364593).

55093767 is a wasteful number, since it uses less digits than its factorization.

55093767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18364592.

The product of its (nonzero) digits is 198450, while the sum is 42.

The square root of 55093767 is about 7422.5175648159. The cubic root of 55093767 is about 380.5112394032.

The spelling of 55093767 in words is "fifty-five million, ninety-three thousand, seven hundred sixty-seven".

Divisors: 1 3 18364589 55093767